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Verb: tighten up
  1. Restrict
    "tighten up the regulations"
    - stiffen, tighten, constrain

Derived forms: tightens up, tightened up, tightening up

Type of: bound, confine, limit, restrain, restrict, throttle, trammel

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tiger team
tigerish
Tigers
tiger-striped
tight
tight end
tight fitting
tight money
tighten
tighten one's belt
tighten up
tightener
tightening
tightfisted
tightfistedness
tightfitting
tight-fitting
tight-knit
tight-laced
tightlipped
tightly